My brand new Lenovo Tab3 doesn't respond to screen brightness slider at all. Nor does the automatic adjustment work when ambient light changes. Any similar experiences or maybe solutions?
Unable to adjust brightness Lenovo Tab3
Question
Answer
Solved.
Turns out you have to accept the Lenovo customer-whatever and register when first installing the tab to get full functionality. The device is usable without registration, but there seem to be a few functions missing.
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